Home / 6,428.88-8,877.09-4,752.18

Finding the Fourth Proportional to 6,428.88, 8,877.09 and 4,752.18

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Solution

The fourth proportional to 6,428.88, 8,877.09 and 4,752.18 is: 6,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.88 : 8,877.09 = 4,752.18 : x
  2. Step 2: Convert to fraction form
    6,428.88/8,877.09 = 4,752.18/x
  3. Step 3: Cross multiply
    6,428.88x = 8,877.09 × 4,752.18
  4. Step 4: Simplify right side
    6,428.88x = 42,185,529.56
  5. Step 5: Solve for x
    x = 42,185,529.56/6,428.88
  6. Step 6: Final answer
    x = 6,561.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.